.head{
    width: 100%;
    height: 200px;
    background-color: antiquewhite;
}
.head a{
    margin-left: 20%;
    font-size: 150px;
    font-family: 楷体;
}
.zhuti{
    width: 70%;
    height: 2000px;
    background-color: darkgrey;
    margin-left: 15%;
    
}
.timu{
    width: 100%;
    height: 150px;
    background-color: cornflowerblue;
}